/* Reset the body to cover the full page */
html, body {
    height: 100%;
    margin: 0;
    font-family: 'Helvetica Neue', Arial, sans-serif; /* Clean sans-serif font */
    background-color: #1e1f22; /* Dark background for the whole page */
    color: #e1e1e1; /* Light text for contrast */
}

/* Center the content and give it full height */
.container {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 20px;
    box-sizing: border-box; /* Ensure padding is included in height calculations */
}

/* Styling for the messages area */
#messages {
    flex-grow: 1;
    padding: 15px;
    overflow-y: auto;
    border: 1px solid #333b41; /* Darker border */
    background-color: #2c2f36; /* Dark background for message container */
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px; /* Space between messages */
    margin-bottom: 20px; /* Space between messages and input */
}

/* Styling each message */
#messages p {
    padding: 10px;
    background-color: #444c56; /* Slightly lighter gray message bubbles */
    border-radius: 20px;
    max-width: 75%; /* Keep messages from stretching too wide */
}

/* Styling input and button area */
.input-container {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: flex-end; /* Align input and buttons to the bottom */
    width: 100%; /* Ensure it takes full width */
}

input[type="text"] {
    flex-grow: 1; /* Make the input take up remaining space */
    padding: 10px;
    border-radius: 20px;
    border: 1px solid #444c56; /* Dark border */
    background-color: #2c2f36; /* Dark background */
    color: #e1e1e1; /* Light text for input */
}

input[type="text"]:focus {
    outline: none;
    border-color: #4c8bf5; /* Light blue when focused */
}

button {
    padding: 10px 20px;
    border: none;
    border-radius: 20px; /* Rounded buttons */
    background-color: #4c8bf5; /* Signal's blue color */
    color: white;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background-color: #3978d1; /* Slightly darker blue on hover */
}

button:active {
    background-color: #2962a1; /* Even darker blue when pressed */
}

/* Styling for the settings button inside the input container */
#settingsButton {
    padding: 10px;
    border: none;
    border-radius: 20px; /* Rounded button */
    background-color: #4c8bf5; /* Signal's blue */
    color: white;
    cursor: pointer;
    font-size: 16px;
}

#settingsButton:hover {
    background-color: #3978d1;
}

#settingsButton:active {
    background-color: #2962a1;
}

/* Modal for settings (hidden by default) */
#settings {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7); /* Dark background for modal */
    justify-content: center;
    align-items: center;
}

.settings-content {
    background-color: #2c2f36; /* Dark background for modal */
    padding: 20px;
    border-radius: 10px;
    width: 300px;
}

.settings-content h2 {
    margin-top: 0;
    color: #e1e1e1; /* Light text for headings */
}

.settings-content button {
    width: 100%;
    margin-top: 10px;
    background-color: #4c8bf5; /* Blue background for buttons */
}

/* Styling for profile picture preview */
#profilePicPreview {
    width: 100px;
    height: 100px;
    border-radius: 50%; /* Circular image */
    margin-top: 10px;
    object-fit: cover;
    border: 2px solid #444c56; /* Dark border around the profile picture */
}